Providing temporary use of online non-downloadable computer software for storing, recording, encrypting, searching, accessing, prompting, viewing, updating, sharing, and managing passwords, passkeys, and other personal identity information on computers, smartphones, and other electronic devices, and for synchronizing passwords across devices and applications; Providing temporary use of online non-downloadable computer software for the suggestion and generation of passwords for use with third-party applications and websites and for providing alerts on data breaches and the security of passwords; Providing temporary use of online non-downloadable computer software for the automatic retrieval and insertion of passwords, passkeys, and other personal identity information for use with third-party applications and websites; Providing temporary use of online non-downloadable computer software for user identification and authentication; Providing temporary use of online non-downloadable computer software for protecting and monitoring the security of passwords, passkeys, and other personal identity information, and for providing related alerts and notifications; Providing temporary use of online non-downloadable computer software used in developing other software applications; Providing user authentication services using single sign-on technology for online software applications; data security consultancy services in the nature of the management of passwords, passkeys, and other personal information and data encryption services for ensuring the security of passwords, passkeys, and other personal identity information; computer software development